/*--------------------
Mixins
--------------------*/
@mixin center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@mixin ball {
    @include center;
    content: '';
    display: block;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .5);
    z-index: 2;
    margin-top: 4px;
    animation: ball .45s cubic-bezier(0, 0, 0.15, 1) alternate infinite;
}


/*--------------------
Body
--------------------*/
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    background: linear-gradient(135deg, #044f48, #2a7561);
    background-size: cover;
    font-family: 'Open Sans', sans-serif;
    font-size: 12px;
    line-height: 1.3;
    overflow: hidden;
}

.bg {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    background: url('https://images.unsplash.com/photo-1451186859696-371d9477be93?crop=entropy&fit=crop&fm=jpg&h=975&ixjsv=2.1.0&ixlib=rb-0.3.5&q=80&w=1925') no-repeat 0 0;
    filter: blur(80px);
    transform: scale(1.2);
}


/*--------------------
Chat
--------------------*/
.chat {
    @include center;
    width: 300px;
    height: 80vh;
    max-height: 500px;
    z-index: 2;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, .2);
    background: rgba(0, 0, 0, .5);
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}


/*--------------------
Chat Title
--------------------*/
.chat-title {
    flex: 0 1 45px;
    position: relative;
    z-index: 2;
    background: rgba(0, 0, 0, 0.2);
    color: #fff;
    text-transform: uppercase;
    text-align: left;
    padding: 10px 10px 10px 50px;

    h1, h2 {
        font-weight: normal;
        font-size: 10px;
        margin: 0;
        padding: 0;
    }

    h2 {
        color: rgba(255, 255, 255, .5);
        font-size: 8px;
        letter-spacing: 1px;
    }

    .avatar {
        position: absolute;
        z-index: 1;
        top: 8px;
        left: 9px;
        border-radius: 30px;
        width: 30px;
        height: 30px;
        overflow: hidden;
        margin: 0;
        padding: 0;
        border: 2px solid rgba(255, 255, 255, 0.24);

        img {
            width: 100%;
            height: auto;
        }
    }
}


/*--------------------
Messages
--------------------*/
.messages {
    flex: 1 1 auto;
    color: rgba(255, 255, 255, .5);
    overflow: hidden;
    position: relative;
    width: 100%;

    & .messages-content {
        position: absolute;
        top: 0;
        left: 0;
        height: 101%;
        width: 100%;
    }


    .message {
        clear: both;
        float: left;
        padding: 6px 10px 7px;
        border-radius: 10px 10px 10px 0;
        background: rgba(0, 0, 0, .3);
        margin: 8px 0;
        font-size: 11px;
        line-height: 1.4;
        margin-left: 35px;
        position: relative;
        text-shadow: 0 1px 1px rgba(0, 0, 0, .2);

        .timestamp {
            position: absolute;
            bottom: -15px;
            font-size: 9px;
            color: rgba(255, 255, 255, .3);
        }

        &::before {
            content: '';
            position: absolute;
            bottom: -6px;
            border-top: 6px solid rgba(0, 0, 0, .3);
            left: 0;
            border-right: 7px solid transparent;
        }

        .avatar {
            position: absolute;
            z-index: 1;
            bottom: -15px;
            left: -35px;
            border-radius: 30px;
            width: 30px;
            height: 30px;
            overflow: hidden;
            margin: 0;
            padding: 0;
            border: 2px solid rgba(255, 255, 255, 0.24);

            img {
                width: 100%;
                height: auto;
            }
        }

        &.message-personal {
            float: right;
            color: #fff;
            text-align: right;
            background: linear-gradient(120deg, #248A52, #257287);
            border-radius: 10px 10px 0 10px;

            &::before {
                left: auto;
                right: 0;
                border-right: none;
                border-left: 5px solid transparent;
                border-top: 4px solid #257287;
                bottom: -4px;
            }
        }

        &:last-child {
            margin-bottom: 30px;
        }

        &.new {
            transform: scale(0);
            transform-origin: 0 0;
            animation: bounce 500ms linear both;
        }

        &.loading {

            &::before {
                @include ball;
                border: none;
                animation-delay: .15s;
            }

            & span {
                display: block;
                font-size: 0;
                width: 20px;
                height: 10px;
                position: relative;

                &::before {
                    @include ball;
                    margin-left: -7px;
                }

                &::after {
                    @include ball;
                    margin-left: 7px;
                    animation-delay: .3s;
                }
            }
        }

    }
}


/*--------------------
Message Box
--------------------*/
.message-box {
    flex: 0 1 40px;
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    padding: 10px;
    position: relative;

    & .message-input {
        background: none;
        border: none;
        outline: none!important;
        resize: none;
        color: rgba(255, 255, 255, .7);
        font-size: 11px;
        height: 17px;
        margin: 0;
        padding-right: 20px;
        width: 265px;
    }

    textarea:focus:-webkit-placeholder{
        color: transparent;
    }

    & .message-submit {
        position: absolute;
        z-index: 1;
        top: 9px;
        right: 10px;
        color: #fff;
        border: none;
        background: #248A52;
        font-size: 10px;
        text-transform: uppercase;
        line-height: 1;
        padding: 6px 10px;
        border-radius: 10px;
        outline: none!important;
        transition: background .2s ease;

        &:hover {
            background: #1D7745;
        }
    }
}


/*--------------------
Custom Srollbar
--------------------*/
.mCSB_scrollTools {
    margin: 1px -3px 1px 0;
    opacity: 0;
}

.mCSB_inside > .mCSB_container {
    margin-right: 0px;
    padding: 0 10px;
}

.mCSB_scrollTools .mCSB_dragger .mCSB_dragger_bar {
    background-color: rgba(0, 0, 0, 0.5)!important;
}


/*--------------------
Bounce
--------------------*/
@keyframes bounce {
    0% { transform: matrix3d(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    4.7% { transform: matrix3d(0.45, 0, 0, 0, 0, 0.45, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    9.41% { transform: matrix3d(0.883, 0, 0, 0, 0, 0.883, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    14.11% { transform: matrix3d(1.141, 0, 0, 0, 0, 1.141, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    18.72% { transform: matrix3d(1.212, 0, 0, 0, 0, 1.212, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    24.32% { transform: matrix3d(1.151, 0, 0, 0, 0, 1.151, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    29.93% { transform: matrix3d(1.048, 0, 0, 0, 0, 1.048, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    35.54% { transform: matrix3d(0.979, 0, 0, 0, 0, 0.979, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    41.04% { transform: matrix3d(0.961, 0, 0, 0, 0, 0.961, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    52.15% { transform: matrix3d(0.991, 0, 0, 0, 0, 0.991, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    63.26% { transform: matrix3d(1.007, 0, 0, 0, 0, 1.007, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    85.49% { transform: matrix3d(0.999, 0, 0, 0, 0, 0.999, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
    100% { transform: matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); }
}


@keyframes ball {
    from {
        transform: translateY(0) scaleY(.8);
    }
    to {
        transform: translateY(-10px);
    }
}
